New research, reported this week in the online early edition of the Proceedings of the National Academy of Sciences, finds that coal burning, primarily in North America and Europe, contaminated the Arctic and potentially affected human health and ecosyste

National Science Foundation-funded scientists working in an ice-free region of Antarctica have discovered the last traces of tundra--in the form of fossilized plants and insects--on the interior of the southernmost continent before temperatures began

By Sandi Doughton.
Seattle -- The fumes that waft from top-selling air fresheners and laundry products contain dozens of
including several classified as toxic or hazardous, says a University of Washington study published Wednesday

By MALCOLM RITTER .Here's a couch potato's dream: What if a drug could help you gain some of the benefits of exercise without working up a sweat? Scientists reported Thursday that there is such a drug -- if you happen to be a mouse

The Food and Drug Administration (FDA) announced that it traced the responsible bacterial strain--Salmonella Saintpaul--to a Serrano pepper grown on a Mexican farm that irrigated its fields with water contaminated with it